Parameters
List of parameters
1-758
© Siemens AG 2007 All Rights Reserved
SINAMICS S List Manual (LH1), 07/2007
Description: Setting to activate and de-activate the friction characteristic.
Values: 0: Friction characteristic de-activated
1: Friction characteristic activated
Dependency: Refer to: p1569, r3841, p3845
Description: Setting for the friction characteristic record.
After the next power-on command, the friction characteristic is automatically recorded.
Values: 0: Friction characteristic record de-activated
1: Friction char. record activated for all directions of rotation
2: Friction char. record activated for a pos. direction of rotation
3: Friction char. record activated for a neg. direction of rotation
Dependency: When selecting the friction characteristic measurement, the drive data set changeover is suppressed.
For linear drives (refer to r0108 bit 12) it is not permissible to carry out the friction characteristic measurement for
mechanical systems that limit travel.
Danger: For drives with a mechanical system that limit the distance moved, it must be ensured that during recording, the fric-
tion characteristic is not reached. If this is not the case, then it is not permissible that the measurement is carried
out.
Notice: In order to permanently accept the determined settings they must be saved in a non-volatile fashion (p0971,
p0977).
Note: When the friction characteristic record is active, it is not possible to save the parameters (p0971, p0977).
When the friction characteristic record is active (p3845 > 0), it is not possible to change p3820 ... p3829, p3830 ...
p3839 and p3842.
When recording the friction characteristic, in addition to the friction, the motor losses are also determined (e.g. iron
losses, eddy current losses and re-magnetization losses). A differentiation is not made between these individual
loss components. We recommend that a motor temperature sensor is used because torque deviations can also be
emulated/mapped on the characteristic due to the thermal influence.
Description: Sets the ramp-up/ramp-down time of the ramp-up/ramp-down function generator to automatically record the friction
characteristic. The drive is accelerated from standstill (setpoint = 0) up to the maximum speed/velocity (p1082) in
this time.
Dependency: Refer to: p3845
p3842 Friction characteristic activation / Frict act
SERVO, VECTOR
(n/M)
Can be changed: T Calculated: - Access level: 2
Data type: Integer16 Dynamic index: - Func. diagram: 7010
P-Group: Functions Units group: - Unit selection: -
Not for motor type: REL Expert list: 1
Min Max Factory setting
0 1 0
p3845 Friction characteristic record activation / Frict rec act
SERVO, VECTOR Can be changed: T Calculated: - Access level: 2
Data type: Integer16 Dynamic index: - Func. diagram: 7010
P-Group: Functions Units group: - Unit selection: -
Not for motor type: REL Expert list: 1
Min Max Factory setting
0 3 0
p3846[0...n] Friction characteristic record ramp-up/ramp-down time / Frict rec t_RFG
SERVO, VECTOR
(n/M)
Can be changed: T Calculated: - Access level: 2
Data type: Floating Point Dynamic index: DDS, p0180 Func. diagram: 7010
P-Group: Functions Units group: - Unit selection: -
Not for motor type: REL Expert list: 1
Min Max Factory setting
0.000 [s] 999999.000 [s] 10.000 [s]
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